/Engine/Source/Runtime/SignalProcessing/Public/SampleBuffer.h
InTimeSec, get the value of the buffer at the given time (uses sample rate) OutFrame is the multichannel output for one time value Returns InTimeSec wrapped between 0.0 and (NumSamples / SampleRate)
float GetAudioFrameAtTime ( float InTimeSec, [TArray](API\Runtime\Core\Containers\TArray)< SampleType > & OutFrame ) const